10. Periodic Properties of the Elements
Periodic Trend: Cumulative
Multiple Choice
Multiple ChoiceFor main-group elements, the atomic radius increases going down a group because:
A
Effective nuclear charge decreases.
B
The mass of an element increases.
C
The highest principal quantum number of the valence orbitals increases.
D
Electron affinity increases.
E
Both effective nuclear charge and the principal quantum number of valence orbitals increases.
732
views
2
rank
1
comments
Related Videos
Related Practice
Showing 1 of 8 videos